For any given SaO2, SpO2 readings are higher for those with darker versus lighter skin tone. HealthDay News — Patients with darker skin tones have peripheral oxygen saturation (SpO 2) readings that ...
In the EXAKT study from the U.K., the home-use pulse oximeters assessed all gave higher oxygen saturation (SpO2) readings for patients with darker skin tones than for patients with lighter skin tones.